LCD event or alarm Description
propane peak shaving, for example, higher
concentrations in propane or nitrogen can occur which
are outside these reference gases. This can result in the
speed of sound for the gas composition being closer to
that of the speed of sound of air, which could result in a
false indication of air detection. For this reason, air
detect alarms/events should be compared to incidences
of propane peak shaving along with typical homeowner
gas usage and reverse flow detection before
considering further action for suspect tampering.
Time sync. The meter detected that its time significantly
dif
fers (5 minutes or greater difference) from the network
time.
Flow meas. hard fail. The meter detected that the flow
measurement sensor failed. The preconfigured meter
Qlmax of 500 CFH (14.2 m3/h) was exceeded. This
condition is a recoverable error with a start and end
event recorded.
Important:
A rapid flow rate change can cause a
temporary flow measurement hard failure alarm. For
example, a Flow measurement hard fail alarm could
occur during installation, Test Mode (proving the meter),
external leak test (water tank test), or other rapid flow
rate change situations. The alarm will display on the
LCD and as long as it is temporary (and not
continuously in the Flow measurement hard fail alarm
state), is acceptable behavior. If the Flow measurement
hard fail alarm remains active and does not clear,
remove the meter and return it to Itron for evaluation.
Flow meas. OOR detect. The meter detected flow that is
outside the physical range of the measurement sensor
.
Gas temp OOR detect. The meter detected that the
maximum (133° F/56° C) or minimum (-31° F/-35° C)
temperature range was exceeded. This condition is a
recoverable error with a start and end recorded.
Flow sens. meas. error. The meter detected that a flow
sensor measurement error occurred. This is an
unrecoverable error
.
Important: If the Flow Sens. Meas. Error remains active
and does not clear, remove the meter and return it to
Itron for evaluation.
Intelis Gas Meter LCD Operation
Intelis Gas Meter Installation Guide TDC-1782-002 18
Proprietary and Confidential
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